1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this artist was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc26339ee9b4aa9f8cefbdce90b35bbdcdb7ab4da4749366307dc7b4415f6f4f7. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/efc4bf33-5a42-488c-8f0d-3916ac8c6f81.json and https://artists.proofprofile.net/proofs/artist/efc4bf33-5a42-488c-8f0d-3916ac8c6f81.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Crimson Cadillac & Mystic Rider (2025 Remix)